// (ie., blur is assumed to be a 2px circle), correlation = 0.95, and noise = 0.01.
// Note that once the radius starts going too far past R, you will get nonsensical results.
float circle_radius, gaussian_radius, correlation, noise;
// (ie., blur is assumed to be a 2px circle), correlation = 0.95, and noise = 0.01.
// Note that once the radius starts going too far past R, you will get nonsensical results.
float circle_radius, gaussian_radius, correlation, noise;